Efficiency of smallpox revaccinations repeated at three year intervals. I. Follow-up of the immunological status of the staff of an infectious disease hospital.
D000328:Adult; D000906:Antibodies / Q000032:analysis*; D005260:Female; D005500:Follow-Up Studies; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D009500:Neutralization Tests; D012900:Smallpox Vaccine; D014611:Vaccination
D000906:Antibodies; D012900:Smallpox Vaccine